CONTROLLING INTERFERENCE CAUSED BY SECONDARY SYSTEMS
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United States of America Patent
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N/A
Issued Date -
May 7, 2015
app pub date -
Nov 25, 2011
filing date -
Nov 25, 2011
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
There is provided a method comprising: obtaining, at a base station of a secondary user system utilizing shared radio communication resources with a coexisting primary user system, channel state information with respect to both a propagation channel between the secondary user and the base station and a propagation channel between the secondary user and a primary user; jointly determining power allocation and transmit coefficients for at least one data stream which is to be transmitted from the secondary user to the base station; and causing communication of information indicating the determined power allocation and transmit coefficients to the secondary user.
First Claim
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Cited Art Landscape
Patent Citation Ranking
- 14 Citation Count
- H04W Class
- 0 % this patent is cited more than
- 10 Age